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