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)(19,20)(21,23)(22,24)(25,26,29,28)(27,31,32,30)(1,3)(2,4)(5,7)(6,8)(17,19,22,21)(18,20,24,23)(26,28)(27,32)(2,6)(3,7)(9,11,14,13)(10,15,12,16)(17,19,22,21)(18,23,24,20)(25,27,29,32)(26,30,28,31)(1,2)(3,4)(5,6)(7,8)(9,12,14,10)(11,15,13,16)(17,20,22,23)(18,19,24,21)(1,4)(2,3)(5,8)(6,7)(9,13,14,11)(10,15,12,16)(17,21,22,19)(18,23,24,20)(25,28,29,26)(27,31,32,30)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.