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