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