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