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