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