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