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