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