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