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