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