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