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