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