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