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