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