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