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