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