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