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