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