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