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