If you have started the creation of a contract but not completed it, it will be saved in the 'Contract' section of your Compass.

Location: Contract >> Contract Set up and Completion

A list of contracts will appear, you can search on the contract number if you know it or scroll through the list. The status of the contract will show as 'Under Creation', you will need to click 'Edit' under the 'Action' column, this will take you to where you last saved the contract in the set up wizard.