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