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