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