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