For this setting, you need to scroll (by swiping left/right) to the page "bootup". Then you can see both "Google Play Services" and "Google Play Store".
Here is the modified steps:
Settings > Privacy > Privacy Guard > Advanced (in the menu)
scroll to the page 'bootup' (by swiping left/right)
> Google Play services > disabled "Wake up" and "Keep awake"
> Google Play Store > disabled "Wake up" and "Keep awake".