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