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