One vertex per element, one color per generator, with an edge from x to x·s.
(2,5)(3,7)(9,10,14,12)(11,15,13,16)(17,18)(19,26)(20,28)(21,25)(22,23)(24,29)(27,30)(31,32)(1,2,4,5)(3,6,7,8)(9,11,14,13)(10,15,12,16)(18,23)(19,25)(20,29)(30,32)(1,2)(3,6)(4,5)(7,8)(9,11,14,13)(10,16,12,15)(18,23)(21,26)(24,28)(30,32)(1,2)(3,6)(4,5)(7,8)(9,12,14,10)(11,15,13,16)(17,19,22,25)(18,21,23,26)(20,27,29,31)(24,30,28,32)(1,3,4,7)(2,6,5,8)(9,13,14,11)(10,15,12,16)(17,20)(18,24)(19,27)(21,30)(22,29)(23,28)(25,31)(26,32)(17,21)(18,25)(19,23)(20,30)(22,26)(24,31)(27,28)(29,32) 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.