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