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