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