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