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