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)(19,21)(20,28)(22,24)(23,26)(25,30)(27,32)(29,31)(1,2,5,6)(3,7,8,4)(10,11)(14,15)(17,19,22,26)(18,23,24,21)(20,29,30,27)(25,31,28,32)(1,2)(3,7)(4,8)(5,6)(9,11,13,10)(12,15,16,14)(18,24)(20,30)(21,23)(27,29)(2,6)(3,8)(9,12)(10,14)(11,15)(13,16)(17,20)(18,25)(19,27)(21,31)(22,30)(23,32)(24,28)(26,29) involution — undirected(1,3)(2,4)(5,8)(6,7)(17,18)(19,23)(20,28)(21,26)(22,24)(25,30)(27,31)(29,32) involution — undirected(1,4)(2,3)(5,7)(6,8)(17,21,22,23)(18,26,24,19)(20,31,30,32)(25,29,28,27)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.