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