When you say "all in one clef", do you mean all the parts are written in, say, the treble clef, or do you mean that they're all in one track?
If the former, no problem. If latter, you'll have to split out your parts to different tracks.
Two features that will help you: 1) from "Print Preview" on the File menu, you can change the size and spacing of the staffs; 2) the Info option on the file menu lets you input title, composer, comments, etc..
It's far easier to create the music in Cakewalk than it is to get usable sheet music out of it...