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