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