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