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