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