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