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