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