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