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