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