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