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)(19,23)(20,28)(21,30)(22,26)(24,29)(25,31)(27,32)(1,3,5,4)(2,6,7,8)(9,10,12,13)(11,14,15,16)(17,19,22,20)(18,23,26,28)(21,27,31,29)(24,30,32,25)(10,13)(11,15)(17,20,22,19)(18,24,26,32)(21,27,31,29)(23,30,28,25)(1,4,5,3)(2,6,7,8)(9,11)(10,14)(12,15)(13,16)(10,13)(11,15)(19,20)(23,28)(24,32)(27,29) 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.