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