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