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