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