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