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