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