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