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