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