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