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)(17,18,21,23,22,24,19,20)(1,3)(2,5)(4,8)(6,7)(9,10)(11,15)(12,14)(13,16)(18,20)(19,21)(23,24) involution — undirected(2,6)(5,7)(9,11,12,16)(10,13,14,15)(17,19,22,21)(18,23,24,20)(3,8)(5,7)(11,16)(13,15)(17,20,21,18,22,23,19,24)(10,14)(13,15)(17,19,22,21)(18,20,24,23)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.