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