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