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