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