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