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