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