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