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