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