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