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