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