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