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