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