One vertex per element, one color per generator, with an edge from x to x·s.
(5,6,9,12)(7,11,8,10)(13,14,19,25,17,31,32,36,18,24,33,43,20,23,35,42)(15,26,28,41,29,39,34,22,16,21,30,38,27,37,44,40)(1,2)(3,4)(5,7,9,8)(6,10,12,11)(13,15,18,16)(14,21,24,26)(17,29,20,27)(19,28,33,30)(22,36,40,42)(23,39,31,37)(25,38,43,41)(32,34,35,44)(2,4)(13,16,18,15)(14,22,24,40)(17,29,20,27)(19,34,33,44)(21,36,26,42)(23,38,31,41)(25,39,43,37)(28,35,30,32)(5,8,9,7)(6,11,12,10)(13,17,18,20)(14,23,24,31)(15,27,16,29)(19,32,33,35)(21,37,26,39)(22,38,40,41)(25,42,43,36)(28,44,30,34)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.