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