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