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