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