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