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