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