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