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