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