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