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