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