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