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