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