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