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