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