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