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