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