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