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