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