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)(17,18,21,24,23,19,22,26)(20,28,29,27,31,32,30,25)(1,3,5,11)(2,8,4,10)(6,14,7,12)(9,16,13,15)(17,19)(18,23)(20,27)(21,24)(22,26)(25,31)(28,29)(30,32)(1,4,5,2)(3,10,11,8)(6,9,7,13)(12,15,14,16)(18,24)(19,26)(21,22)(25,32)(27,28)(29,30)(6,7)(9,13)(12,14)(15,16)(17,20,23,31)(18,25,19,27)(21,30,22,29)(24,32,26,28)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.