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