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