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