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