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