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