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