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