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