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