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