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