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