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