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