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