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