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