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