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