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