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