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