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