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