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