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