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