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