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