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