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