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