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