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