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