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