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