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