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