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