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