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