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