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)(19,24)(20,26)(21,25)(22,27)(23,28)(29,30)(31,32)(33,34)(35,43)(36,41)(37,42)(38,39)(40,46)(44,48)(45,47)(1,3,7,5)(2,8,6,10)(4,11,12,13)(9,15,14,16)(17,19,23,21)(18,24,28,25)(20,31,27,29)(22,30,26,32)(34,39)(40,43)(41,42)(47,48)(4,12)(9,14)(11,13)(15,16)(17,19,23,21)(18,25,28,24)(20,29,27,31)(22,30,26,32)(33,34)(35,40)(36,41)(37,42)(38,39)(43,46)(44,47)(45,48)(1,4)(2,9)(3,11)(5,13)(6,14)(7,12)(8,15)(10,16)(17,20,23,27)(18,26,28,22)(19,29,21,31)(24,30,25,32)(33,35)(34,40)(36,44)(37,45)(38,46)(39,43)(41,47)(42,48)(1,5,7,3)(2,8,6,10)(4,13,12,11)(9,15,14,16)(17,21,23,19)(18,24,28,25)(20,31,27,29)(22,32,26,30)(33,36,38,37)(34,41,39,42)(35,44,46,45)(40,47,43,48)(1,6,7,2)(3,10,5,8)(4,9,12,14)(11,15,13,16)(17,22,23,26)(18,27,28,20)(19,30,21,32)(24,29,25,31)(33,37,38,36)(34,42,39,41)(35,45,46,44)(40,48,43,47)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.