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