One vertex per element, one color per generator, with an edge from x to x·s.
(2,5)(3,7)(9,10)(11,14)(12,16)(13,15)(17,18,22,24)(19,21,26,32)(20,29,23,25)(27,30,28,31)(1,2)(3,6)(4,5)(7,8)(9,11,13,12)(10,14,15,16)(18,24)(19,27)(20,23)(21,31)(26,28)(30,32)(9,12,13,11)(10,14,15,16)(17,19,22,26)(18,21,24,32)(20,27,23,28)(25,31,29,30)(1,3,4,7)(2,6,5,8)(17,20,22,23)(18,25,24,29)(19,28,26,27)(21,30,32,31)(2,5)(6,8)(17,21)(18,26)(19,24)(20,30)(22,32)(23,31)(25,27)(28,29) involution — undirectedA Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.