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