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