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