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)(11,14)(12,16)(13,15)(17,18,23,21)(19,24,22,20)(1,3,6,4)(2,7,8,5)(9,10,13,15)(11,12,16,14)(17,19,23,22)(18,24,21,20)(26,29)(30,32)(1,3,6,4)(2,7,8,5)(9,11,13,16)(10,14,15,12)(17,20)(18,22)(19,21)(23,24)(25,26)(27,30)(28,29)(31,32)(1,4,6,3)(2,5,8,7)(9,10)(11,14)(12,16)(13,15)(17,21,23,18)(19,24,22,20)(25,27,28,31)(26,30,29,32)(1,5)(2,4)(3,8)(6,7)(9,12,13,14)(10,11,15,16)(17,22,23,19)(18,24,21,20)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.