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