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