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