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