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