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