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