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