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