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