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