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