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