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