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