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