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