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