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