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