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