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