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