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