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