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