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