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)(23,28)(24,36)(25,30)(26,39)(27,31)(29,37)(32,46)(33,42)(34,43)(35,49)(38,44)(40,45)(41,47)(48,51)(50,52)(1,3,4,2)(5,7)(6,10)(8,15)(9,14)(11,13)(12,17)(16,20)(18,19)(21,23)(22,28)(24,32)(25,33)(26,35)(27,34)(29,41)(30,42)(31,43)(36,46)(37,47)(38,48)(39,49)(40,50)(44,51)(45,52)(7,14)(10,13)(15,20)(17,19)(21,24)(22,29)(23,32)(25,37)(26,40)(27,38)(28,41)(30,44)(31,45)(33,47)(34,48)(35,50)(36,39)(42,51)(43,52)(46,49) involution — undirected(6,11)(10,13)(12,18)(17,19)(21,25,27,26)(22,30,31,39)(23,33,34,35)(24,37,38,40)(28,42,43,49)(29,44,45,36)(32,47,48,50)(41,51,52,46)(5,8,9,16)(6,12,11,18)(7,15,14,20)(10,17,13,19)(23,34)(28,43)(32,48)(33,35)(41,52)(42,49)(46,51)(47,50)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.