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