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