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