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