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