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