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