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