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