One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,5,8)(3,4,7,6)(11,15)(14,16)(17,18,20,22)(19,21,23,24)(25,26,29,28)(27,30,32,31)(1,3,5,7)(2,6,8,4)(19,23)(21,24)(25,27,29,32)(26,30,28,31)(3,7)(4,6)(9,10,13,12)(11,14,15,16)(17,18)(19,21)(20,22)(23,24)(25,27)(26,30)(28,31)(29,32)(1,4,5,6)(2,7,8,3)(9,11,13,15)(10,14,12,16)(17,19)(18,21)(20,23)(22,24)(25,28,29,26)(27,31,32,30)(1,2)(3,4)(5,8)(6,7)(9,12,13,10)(11,16,15,14)(17,18)(19,21)(20,22)(23,24)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.