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