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