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