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