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