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)(19,21)(20,28)(22,26)(23,25)(24,30)(27,31)(29,32)(1,2,4,6)(3,5,8,7)(9,11,14,13)(10,15,16,12)(17,19)(18,23)(20,27)(21,26)(22,25)(24,31)(28,29)(30,32)(1,2)(3,5)(4,6)(7,8)(9,12)(10,13)(11,16)(14,15)(17,20,22,30)(18,24,26,28)(19,27,25,32)(21,29,23,31)(9,11,14,13)(10,15,16,12)(17,20)(18,24)(19,27)(21,29)(22,30)(23,31)(25,32)(26,28)(1,2)(3,7)(4,6)(5,8)(9,12)(10,11)(13,16)(14,15)(17,19)(18,21)(20,27)(22,25)(23,26)(24,29)(28,31)(30,32) involution — undirected(1,3)(2,5)(4,8)(6,7)(9,13,14,11)(10,15,16,12)(17,21)(18,25)(19,26)(20,29)(22,23)(24,32)(27,28)(30,31)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.