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