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