I can’t find that command either.
However, if the reason you want it is to temporarily highlight all the places a style is used, so you can browse through example usages of the style, there is an alternative. You can modify the style to add that highlighting, then Undo after you’re done viewing.
Temporarily adding a background color
In most cases, you will want to make the style usages more visible without affecting their position on the page. The best way to do this is to give them a background color.
- Select one usage of the style. (Triple-click selects a whole paragraph.)
- Open the Fonts panel from the menu “Format” > “Font” > “Show Fonts” (⌘T).
- Click the Document Color button – the rightmost one among the four at the top.
Choose a background color that will let you see usages of the style more easily.
When you’re done, close the panels and click Update to update all usages of the style. Now they will all be highlighted:
When you’re done viewing the usages of the style, Undo from the Edit menu (⌘Z) until your changes are gone.
Changing the background color instead of the text color is helpful in that it even highlights styled paragraphs with no text: