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