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