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