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