You cannot place model elements directly on sheets. You have to place them in your model, create a view, then drag this view to the sheet.
So with the mass, add it to your project in plan or 3D view. To make sure it shows up in the sheet, you can go to VG and make sure that mass is turned on. The best place to do this is in a copy of the main view. This way, you are only overriding the display of masses in this view.
This is the same solution for your color vs. BW issue. Right-click the view, choose duplicate or duplicate with detailing. Then set this view to black and white or color as desired.
Once your views are configured to show what you want, you can drag them to a sheet.
In your original post you indicated a color legend. So I assume you are using a color scheme to color your rooms? If so, just duplicate the view as I indicated above, then on the Properties palette, chnage the color scheme to None. This will remove the room colors.
If your color is not rooms, then you will have to include a screen capture or file or something to explain what is colored in order to help. For example, if the objects are colored, this was probably done in object styles or visibility graphics. So you would have to reverse it in those locations.
Hope that helps.