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