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