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