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