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