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