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