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