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