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