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