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