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)(11,16)(12,15)(13,14)(17,18,21,22)(19,23,27,24)(20,28,31,25)(26,32,30,29)(2,5)(6,8)(9,10)(11,16)(12,15)(13,14)(17,19,21,27)(18,23,22,24)(20,29,31,32)(25,30,28,26)(1,3,4,7)(2,6,5,8)(10,14)(15,16)(17,19)(18,24)(20,30)(21,27)(22,23)(25,29)(26,31)(28,32)(9,11,13,12)(10,15,14,16)(17,20,18,25,21,31,22,28)(19,26,24,32,27,30,23,29)(2,5)(6,8)(9,12,13,11)(10,15,14,16)(17,18,21,22)(19,23,27,24)(20,28,31,25)(26,32,30,29)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.