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