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