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