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