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