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