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