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