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