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