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