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