Hello, kim-terlecki.
Yes, It should be on the same account. Because, QuickBooks calculate your CIS deductions, track CIS withheld or suffered, and create reports for HMRC.
Also, it will submit a CIS return to tell HMRC about any payments that you've made to your contractors or subcontractors.
I've got articles that can help you:
Should you need additional information about the CIS in QuickBooks, please leave a comment below. I'm always to answer them.