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