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