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