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