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