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