To create a draft job, you first need to create the job. To do this, click on the Post Job+ tab at the top of your page.
The job posting workflow will open up where you can start filling out the job information. Once you have filled out the Basic Information, you can then click Next. This will will then create the job on your Job Manager page as a draft. Throughout the Job Posting workflow, you can save the information you are adding on.
If you click on the Job Manager page, you can see your job that you have just created there. You can then click back into it by using the Actions drop down and clicking Edit. Then you can make any changes you want to and/or publish the job.