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