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