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