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