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