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)(21,22,26,31)(23,32,36,42)(24,28,37,44)(25,29,33,30)(27,40,43,35)(34,47,48,52)(38,45,39,46)(41,49,51,50)(1,2)(3,4)(5,7)(6,11)(8,15)(9,16)(10,17)(12,19)(13,14)(18,20)(24,37)(28,44)(34,48)(38,39)(41,51)(45,46)(47,52)(49,50) involution — undirected(2,4)(5,8,10,9)(6,12,13,18)(7,15,17,16)(11,19,14,20)(21,23,33,40,26,36,25,35)(22,27,29,42,31,43,30,32)(24,34,38,49,37,48,39,50)(28,41,46,52,44,51,45,47)(5,9,10,8)(6,12,13,18)(7,16,17,15)(11,19,14,20)(21,24)(22,28)(23,34)(25,39)(26,37)(27,41)(29,46)(30,45)(31,44)(32,47)(33,38)(35,50)(36,48)(40,49)(42,52)(43,51)(2,4)(7,17)(11,14)(15,16)(19,20)(21,25,26,33)(22,29,31,30)(23,35,36,40)(24,38,37,39)(27,42,43,32)(28,45,44,46)(34,49,48,50)(41,47,51,52)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.