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