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