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