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