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