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