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