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