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