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