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