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