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