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