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