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