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