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