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