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