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