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