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