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