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