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