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