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