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