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