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