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