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