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