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