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