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