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