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