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