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