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