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