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