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