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