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