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