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