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