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