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