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