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