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