One vertex per element, one color per generator, with an edge from x to x·s.
(2,5)(6,7)(9,10,13,16)(11,14,18,22)(12,15,20,24)(17,21,19,23)(25,26)(27,35)(28,32)(29,43)(30,33)(31,39)(34,37)(36,49)(38,50)(40,54)(41,48)(42,56)(44,51)(45,53)(46,55)(47,52)(1,2,4,5)(3,7,8,6)(9,11)(10,14)(12,19)(13,18)(15,23)(16,22)(17,20)(21,24)(27,36)(31,44)(35,49)(38,40)(39,51)(45,46)(50,54)(53,55)(9,12)(10,15)(11,17)(13,20)(14,21)(16,24)(18,19)(22,23)(25,27,37,51,30,36,29,39)(26,31,43,49,33,44,34,35)(28,40,52,53,41,38,42,55)(32,46,56,50,48,45,47,54)(1,3,4,8)(2,6,5,7)(12,20)(15,24)(17,19)(21,23)(25,28,30,41)(26,32,33,48)(27,38,36,40)(29,42,37,52)(31,45,44,46)(34,47,43,56)(35,50,49,54)(39,53,51,55)(10,16)(11,18)(15,24)(17,19)(26,33)(28,41)(31,44)(34,43)(35,49)(38,40)(42,52)(53,55) involution — undirectedA 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.