One vertex per element, one color per generator, with an edge from x to x·s.
(5,6)(7,13)(8,11)(9,12)(10,15)(14,19)(16,18)(17,20)(21,22,26,31)(23,27,35,44)(24,29,36,47)(25,38,40,30)(28,39,45,37)(32,46,33,42)(34,50,51,43)(41,49,52,48)(1,2)(3,4)(5,7,9,15)(6,10,12,13)(8,14,16,20)(11,17,18,19)(21,23)(22,27)(24,32)(25,34)(26,35)(28,41)(29,46)(30,43)(31,44)(33,36)(37,48)(38,50)(39,49)(40,51)(42,47)(45,52)(2,4)(5,8,9,16)(6,11,12,18)(7,14,15,20)(10,17,13,19)(21,24)(22,28)(23,32)(25,39)(26,36)(27,41)(29,38)(30,47)(31,45)(33,35)(34,49)(37,40)(42,43)(44,52)(46,50)(48,51)(6,12)(10,13)(11,18)(17,19)(21,24)(22,29)(23,33)(25,37)(26,36)(27,42)(28,38)(30,45)(31,47)(32,35)(34,49)(39,40)(41,43)(44,46)(48,51)(50,52) involution — undirected(2,4)(7,15)(10,13)(14,20)(17,19)(24,36)(28,45)(29,47)(32,33)(37,39)(41,52)(42,46)(48,49) involution — undirectedA 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.