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