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