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