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