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