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