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