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