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