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