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